Siemens SITRANS IQ Operating Instructions Manual page 12

Getting started
1.2 Connecting HART devices to SITRANS MX300
Example
A HART Master is available for Channel 1.
• Disable [DISABLED] the DIP switch 1 at the SITRANS MX300 [HART RESISTOR].
• Connect the SITRANS MX300 in parallel to the HART device.
12
SITRANS CC240 and SITRANS MX300
Operating Instructions, 06/2021, A5E47280695-AB